cancel ml threads on shutdown and join them on host free (#14240)

* cancel ml threads on shutdown and join them on host free

* mark them not running before joining them

1 files changed, 8 insertions, 1 deletions

diff --git a/ml/ml.cc b/ml/ml.cc
index 2a0df8867c..461c83baae 100644
--- a/ml/ml.cc
+++ b/ml/ml.cc
@@ -156,7 +156,14 @@ void ml_start_anomaly_detection_threads(RRDHOST *RH) {
 void ml_stop_anomaly_detection_threads(RRDHOST *RH) {
     if (RH && RH->ml_host) {
         Host *H = reinterpret_cast<Host *>(RH->ml_host);
-        H->stopAnomalyDetectionThreads();
+        H->stopAnomalyDetectionThreads(true);
+    }
+}
+
+void ml_cancel_anomaly_detection_threads(RRDHOST *RH) {
+    if (RH && RH->ml_host) {
+        Host *H = reinterpret_cast<Host *>(RH->ml_host);
+        H->stopAnomalyDetectionThreads(false);
     }
 }